Firearm



FIG. 1 is a bottom, front, left perspective view of a firearm showing our new design;

FIG. 2 is an enlarged fragmentary bottom, front, left perspective view thereof;

FIG. 3 is an enlarged fragmentary left view thereof;

FIG. 4 is an enlarged fragmentary right view thereof;

FIG. 5 is a fragmentary front view thereof; and,

FIG. 6 is an enlarged fragmentary bottom view thereof.

The uneven-length broken lines immediately adjacent to the solid line disclosure represent the unclaimed boundaries of the claimed design. The even-length broken lines showing the remainder of the firearm are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a firearm, as shown and described. 